CA2295104A1 - Method of manufacturing a plurality of laminae for use in a mold for forming retroreflective cube corner articles, mold and articles formed therewith - Google Patents

Method of manufacturing a plurality of laminae for use in a mold for forming retroreflective cube corner articles, mold and articles formed therewith Download PDF

Info

Publication number
CA2295104A1
CA2295104A1 CA002295104A CA2295104A CA2295104A1 CA 2295104 A1 CA2295104 A1 CA 2295104A1 CA 002295104 A CA002295104 A CA 002295104A CA 2295104 A CA2295104 A CA 2295104A CA 2295104 A1 CA2295104 A1 CA 2295104A1
Authority
CA
Canada
Prior art keywords
groove
laminae
forming
cube corner
lamina
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002295104A
Other languages
English (en)
French (fr)
Inventor
John C. Kelliher
Kenneth L. Smith
Gerald M. Benson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2295104A1 publication Critical patent/CA2295104A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00605—Production of reflex reflectors
    • B29D11/00625—Moulds for reflex reflectors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49984—Coating and casting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/303752—Process

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Formation And Processing Of Food Products (AREA)
CA002295104A 1997-07-02 1997-12-09 Method of manufacturing a plurality of laminae for use in a mold for forming retroreflective cube corner articles, mold and articles formed therewith Abandoned CA2295104A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/887074 1997-07-02
US08/887,074 US6253442B1 (en) 1997-07-02 1997-07-02 Retroreflective cube corner sheeting mold and method for making the same
PCT/US1997/022492 WO1999001269A1 (en) 1997-07-02 1997-12-09 Method of manufacturing a plurality of laminae for use in a mold for forming retroreflective cube corner articles, mold and articles formed therewith

Publications (1)

Publication Number Publication Date
CA2295104A1 true CA2295104A1 (en) 1999-01-14

Family

ID=25390408

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002295104A Abandoned CA2295104A1 (en) 1997-07-02 1997-12-09 Method of manufacturing a plurality of laminae for use in a mold for forming retroreflective cube corner articles, mold and articles formed therewith

Country Status (13)

Country Link
US (3) US6253442B1 (ja)
EP (1) EP0993357B1 (ja)
JP (1) JP4054895B2 (ja)
KR (1) KR100501050B1 (ja)
CN (1) CN1153661C (ja)
AT (1) ATE236001T1 (ja)
AU (1) AU724030B2 (ja)
BR (1) BR9714751A (ja)
CA (1) CA2295104A1 (ja)
DE (1) DE69720543T2 (ja)
NO (1) NO996561L (ja)
TR (1) TR199903341T2 (ja)
WO (1) WO1999001269A1 (ja)

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US6540367B1 (en) * 1999-04-07 2003-04-01 3M Innovative Properties Company Structured surface articles containing geometric structures with compound faces and methods for making same
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US6700712B2 (en) 2001-11-13 2004-03-02 3M Innovative Properties Company Multidirectional single surface optically shaped film
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US7156527B2 (en) * 2003-03-06 2007-01-02 3M Innovative Properties Company Lamina comprising cube corner elements and retroreflective sheeting
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US7174619B2 (en) * 2003-03-06 2007-02-13 3M Innovative Properties Company Methods of making microstructured lamina and apparatus
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US7677146B2 (en) * 2006-05-10 2010-03-16 3M Innovative Properties Company Cutting tool using one or more machined tool tips in a continuous or interrupted cut fast tool servo
CN101506694B (zh) 2006-08-22 2012-10-03 日本电石工业株式会社 三棱锥型立方角回射部件及其制造方法
US7628100B2 (en) * 2007-01-05 2009-12-08 3M Innovative Properties Company Cutting tool using one or more machined tool tips with diffractive features in a continuous or interrupted cut fast tool servo
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EP2192426A4 (en) * 2007-08-24 2012-05-23 Nippon Carbide Kogyo Kk RETROREFLECTIVE ARTICLE IN CUBE CORNER
CN101420829B (zh) * 2007-10-25 2011-09-21 深圳富泰宏精密工业有限公司 金属外壳及其制作方法
WO2009146055A2 (en) * 2008-04-02 2009-12-03 3M Innovative Properties Company Methods and systems for fabricating optical films having superimposed features
JP5827120B2 (ja) 2008-04-02 2015-12-02 スリーエム イノベイティブ プロパティズ カンパニー 導光フィルム及び導光フィルムを製作するための方法
CN102441774B (zh) * 2010-10-08 2015-11-25 福建省晋江市夜光达反光材料有限公司 一种微棱镜阴阳条纹反光模具的制作方法
CN102967892B (zh) * 2011-08-30 2015-12-02 原相科技股份有限公司 用于光学式触控装置的反光镜及使用该反光镜的光学式触控装置
US9050762B2 (en) 2012-03-23 2015-06-09 Orafol Americas Inc. Methods for fabricating retroreflector tooling and retroreflective microstructures and devices thereof
US9703023B2 (en) 2013-03-15 2017-07-11 3M Innovative Properties Company Microtiled prismatic cube corner articles
JP6246704B2 (ja) * 2014-12-15 2017-12-13 株式会社アスカネット 再帰性反射体の製造型の製造方法
JP7437936B2 (ja) 2017-02-14 2024-02-26 スリーエム イノベイティブ プロパティズ カンパニー エンドミル加工により製造された非直交キューブコーナー要素及びそのアレイ
US11073641B2 (en) 2017-09-11 2021-07-27 Orafol Americas Inc. Methods of fabricating retroreflector prisms with polygonal apertures and devices thereof
CN115835943A (zh) 2020-08-27 2023-03-21 奥拉光学系统有限合伙公司 微棱镜逆反射模具、片材和制品以及其制造方法

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Also Published As

Publication number Publication date
US20010009475A1 (en) 2001-07-26
JP4054895B2 (ja) 2008-03-05
EP0993357B1 (en) 2003-04-02
US6253442B1 (en) 2001-07-03
AU5692098A (en) 1999-01-25
ATE236001T1 (de) 2003-04-15
WO1999001269A1 (en) 1999-01-14
JP2002507944A (ja) 2002-03-12
US20040212887A1 (en) 2004-10-28
DE69720543D1 (de) 2003-05-08
EP0993357A1 (en) 2000-04-19
AU724030B2 (en) 2000-09-07
TR199903341T2 (xx) 2000-07-21
KR20010014417A (ko) 2001-02-26
BR9714751A (pt) 2000-08-08
CN1275943A (zh) 2000-12-06
NO996561L (no) 2000-03-02
KR100501050B1 (ko) 2005-07-18
NO996561D0 (no) 1999-12-29
DE69720543T2 (de) 2004-02-19
CN1153661C (zh) 2004-06-16

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Legal Events

Date Code Title Description
FZDE Discontinued